/*
 HardwareSerial.h - Hardware serial library for Wiring
 Copyright (c) 2006 Nicholas Zambetti.  All right reserved.

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef HardwareSerial_h
#define HardwareSerial_h

#include <inttypes.h>

#include "Print.h"

struct ring_buffer;

class HardwareSerial: public Print {
private:
  ring_buffer *_rx_buffer;
  volatile uint8_t *_ubrrh;
  volatile uint8_t *_ubrrl;
  volatile uint8_t *_ucsra;
  volatile uint8_t *_ucsrb;
  volatile uint8_t *_udr;
  uint8_t _rxen;
  uint8_t _txen;
  uint8_t _rxcie;
  uint8_t _udre;
  uint8_t _u2x;
public:
  HardwareSerial(ring_buffer *rx_buffer, volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
      volatile uint8_t *udr, uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
  void begin(long);
  uint8_t available(void);
  int read(void);
  void flush(void);
  virtual void write(uint8_t);
  using Print::write;
  // pull in write(str) and write(buf, size) from Print
};

extern HardwareSerial Serial;

#if defined(__AVR_ATmega1280__)
extern HardwareSerial Serial1;
extern HardwareSerial Serial2;
extern HardwareSerial Serial3;
#endif

#endif
